O'Hara, E. V. (1931). Catholic Evidence Work in the United States: A Survey of Its Status and of Its Prospects. S.I..
Lua i Stíl Chicago (17ú heag.)O'Hara, Edwin V. Catholic Evidence Work in the United States: A Survey of Its Status and of Its Prospects. S.I., 1931.
Lua MLA (8ú heag.)O'Hara, Edwin V. Catholic Evidence Work in the United States: A Survey of Its Status and of Its Prospects. S.I., 1931.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.